Cable clamp self-locking device for bridge main cable

Abstract

The utility model relates to the technical field of bridge main cables, in particular to a cable clamp self-locking device for a bridge main cable. According to the technical scheme, the damping device comprises a supporting base, and a damping assembly is arranged at the top of the supporting base and fixed through fixing assemblies arranged on the two sides of the damping assembly; a lifting rod capable of sliding up and down is arranged in a central cavity in the bottom of the supporting seat, a connecting block is fixedly arranged at the bottom of the lifting rod, a group of sliding grooves are formed in the left side and the right side of the lower portion of the supporting seat respectively, a positioning assembly is slidably connected into each sliding groove, one end of each positioning assembly is hinged to the corresponding sliding groove, the other end of each positioning assembly is hinged to the connecting block, and vertical movement of the connecting block is achieved. The upper fixing block and the lower fixing block are matched with the fixing lantern ring, the damping springs are evenly arranged on the inner wall of the fixing lantern ring and can absorb and buffer vibration energy when the main cable is vibrated, the damping cushion at the other end of each damping spring further enhances the damping effect, the structure can effectively reduce the vibration influence on the bridge cable clamp and the main cable in the using process, and the service life of the bridge cable clamp and the main cable is prolonged. The stability of the bridge structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge main cable technical field especially relates to a cable clamp self locking device for bridge main cable. BACKGROUND

[0002] In a suspension bridge, the cable clamp is a connecting component of the main cable and the sling, which plays a role in fastening the main cable and transferring the sling force to the main cable. In the actual operation of the bridge, the structures such as the main cable and the sling will vibrate under the action of external loads such as live load and wind, which can easily cause the cable clamp to loosen, reducing its working stability and reliability.

[0003] The cable clamp of the prior art bridge main cable can basically meet the fastening and force transmission requirements of the bridge main cable, but it is difficult to effectively prevent the cable clamp from sliding and loosening, affecting the stability of the connection between the main cable and the sling and the overall safety of the structure. Therefore, the cable clamp self locking device for bridge main cable is provided to meet the demand. SUMMARY

[0004] The utility model discloses a cable clamp self locking device for bridge main cable to solve the shortcoming of prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a cable clamp self locking device for bridge main cable, comprising a support seat, characterized in that the top of the support seat is provided with a damping assembly, which is fixed by the fixing assembly arranged on both sides thereof; a lifting rod is slidably arranged in the central cavity of the bottom of the support seat; a connecting block is fixedly arranged at the bottom of the lifting rod; a group of sliding grooves are formed in the left and right sides of the lower part of the support seat; a positioning assembly is slidably connected in each sliding groove; one end of the positioning assembly is hinged to the sliding groove, and the other end is hinged to the connecting block, so as to realize the up-down movement of the connecting block.

[0006] Further, the damping assembly comprises a fixed sleeve ring composed of an upper semicircle and a lower semicircle, and two pairs of upper and lower fixed blocks arranged on both sides of the fixed sleeve ring; arc-shaped damping soft pads are arranged on the inner walls of the upper and lower fixed sleeve rings; each damping soft pad is fixedly connected with the fixed sleeve ring by a plurality of damping springs.

[0007] Further, each group of fixing assemblies comprises an upper support shell and a lower support shell; the upper support shell is arranged on the outer side of the upper fixed block; the lower support shell is arranged on the outer side of the lower fixed block; the upper support shell and the lower support shell on the same side are connected by a plurality of connecting columns; the upper support shell and the lower support shell on the same side are oppositely provided with a plurality of notches; a fixed spring is arranged in each notch.

[0008] Furthermore, each positioning assembly includes a connecting rod; one end of the connecting rod is hinged to the sliding block, the sliding block is clamped in the sliding groove, and can move left and right along the sliding groove, and the other end is hinged to the side bottom of the connecting block through a fixed plate, the fixed plate is fixed on the connecting block, and a positioning plate is sleeved on the connecting rod on the upper part of the fixed plate. The two positioning plates on the opposite sides are connected by the positioning rod, and a cable hole is opened on the connecting block.

[0009] Furthermore, the upper part of the connecting rod is connected to the sliding block through a connecting plate and a U-shaped frame. One side of the connecting plate is fixedly connected to the side of the sliding block. The bottom of the connecting plate is connected to the U-shaped frame. The upper part of the connecting rod is hinged in the notch of the U-shaped frame.

[0010] Furthermore, the lower part of the connecting rod is connected to the connecting block through a fixed plate and a U-shaped frame 2, one side of the fixed plate is fixedly connected to the side of the connecting block, the upper part of the fixed plate is connected to the U-shaped frame 2, and the lower part of the connecting rod is hinged in the notch of the U-shaped frame 2.

[0011] Furthermore, the two upper fixing blocks are arranged on both sides of the upper semicircular arc of the fixing collar, and the two lower fixing blocks are arranged on both sides of the lower semicircular arc of the fixing collar.

[0012] Furthermore, the connecting column and the fixing spring on the same side are arranged on an axis.

[0013] Compared with the prior art, the advantages and positive effects of the present invention are:

[0014] 1) The utility model uses the upper fixing block and the lower fixing block to cooperate with the fixing ring to play a fixing role. The vibration-damping springs evenly arranged on the inner wall of the fixing ring can absorb and buffer vibration energy. The vibration-damping pad at the other end of the vibration-damping spring further enhances the vibration-damping effect, effectively reducing the vibration impact on the bridge cable clamp and the main cable during use, and extending the service life of the main cable and the cable clamp.

[0015] 2) The utility model is provided with a positioning component, and the connection between the rope clamp and the sling is achieved through the rope hole; the position of the sling is fixed by the positioning plate and the positioning rod, which reduces the relative sliding of the sling and improves the stability of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the vibration reduction component of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the fixing assembly of the utility model;

[0019] Figure 4 This is a schematic diagram of the positioning component structure of the utility model.

[0020] Marking instructions: 1. Support seat; 2. Vibration reduction assembly; 3. Fixing assembly; 4. Sliding groove; 5. Positioning assembly; 6. Lifting rod; 7. Connecting block;

[0021] 21. Upper fixing block; 22. Lower fixing block; 23. Vibration damping spring; 24. Vibration damping cushion; 25. Fixing ring;

[0022] 31. Upper support shell; 32. Lower support shell; 33. Fixing spring; 34. Connecting column;

[0023] 51. Sliding block; 52. Connecting plate; 53. U-shaped frame 1; 54. Connecting rod; 55. Positioning plate; 56. Positioning rod; 57. U-shaped frame 2; 58. Fixing plate; 59. Cable hole; DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] A self-locking device for a cable clamp of a bridge main cable, such as Figure 1 As shown, it includes a support base 1, and a vibration damping component 2 is provided on the top of the support base 1, and the vibration damping component 2 is fixed by a fixing component 3 provided on both sides thereof; a lifting rod 6 is slidably provided in the central cavity at the bottom of the support base 1, and a connecting block 7 is fixed at the bottom of the lifting rod 6. A group of sliding grooves 4 are respectively opened on the left and right sides of the lower part of the support base 1, and a positioning component 5 is slidably connected in each sliding groove 4. One end of the positioning component 5 is hinged to the sliding groove 4, and the other end is hinged to the connecting block 7 to realize the up and down movement of the connecting block 7.

[0026] As an implementation method in this embodiment, Figure 2As shown, the vibration damping assembly 2 includes a fixing ring 25 composed of an upper semicircular arc and a lower semicircular arc, and two pairs of upper fixing blocks 21 and lower fixing blocks 22 arranged on both sides of the fixing ring 25. The upper fixing block 21 and the lower fixing block 22 cooperate closely to firmly fix the fixing ring 25. Arc-shaped vibration damping pads 24 are respectively provided on the upper and lower inner walls of the fixing ring 25. Each vibration damping pad 24 is fixedly connected to the fixing ring 25 through a number of vibration damping springs 23. When the main cable vibrates, the vibration damping spring 23 quickly takes effect, absorbs and buffers the vibration energy, and greatly reduces the adverse effects of vibration on the main cable. The vibration damping pad 24 at the other end of the vibration damping spring 23 further enhances the vibration damping effect. These components work together to effectively reduce the vibration of the bridge cable clamp and the main cable during use, and improve the stability of the bridge structure.

[0027] As an implementation method in this embodiment, Figure 3 As shown, each set of fixing components 3 includes an upper supporting shell 31 and a lower supporting shell 32, the upper supporting shell 31 is arranged on the outer side of the upper fixing block 21, and the lower supporting shell 32 is arranged on the outer side of the lower fixing block 22. The upper supporting shell 31 and the lower supporting shell 32 on the same side are connected by a number of connecting columns 34, and the upper fixing block 21 and the lower fixing block 22 can be closed by the connecting columns 34, thereby achieving a firm fixation of the main cable, ensuring that the main cable remains stable and reliable during use; the two upper fixing blocks 21 are arranged on both sides of the upper semicircular arc of the fixing ring 25, and the two lower fixing blocks 22 are arranged on both sides of the lower semicircular arc of the fixing ring 25; the upper supporting shell 31 and the lower supporting shell 32 on the same side are relatively provided with a number of notches, and a fixing spring 33 is arranged in the notch, which can further alleviate the vibration generated by the main cable and the cable clamp during use, and reduce the risk of damage to the cable clamp. The connecting column 34 and the fixing spring 33 on the same side are arranged on an axis.

[0028] As an implementation method in this embodiment, Figure 4As shown, each positioning assembly 5 comprises a connecting rod 54; the upper part of the connecting rod 54 is connected with a sliding block 51 through a connecting disc 52 and a U-shaped frame one 53, one side surface of the connecting disc 52 is fixedly connected with a side surface of the sliding block 51, the bottom of the connecting disc 52 is connected with the U-shaped frame one 53, the upper part of the connecting rod 54 is hinged in the notch of the U-shaped frame one 53, the sliding block 51 is clamped in the sliding groove 4 and can move left and right along the sliding groove, the lower part of the connecting rod 54 is connected with a connecting block 7 through a fixing disc 58 and a U-shaped frame two 57, one side surface of the fixing disc 58 is fixedly connected with a side surface of the connecting block 7, the upper part of the fixing disc 58 is connected with the U-shaped frame two 57, the lower part of the connecting rod 54 is hinged in the notch of the U-shaped frame two 57, the fixing disc 58 is fixed on the connecting block 7, a positioning plate 55 is sleeved on the connecting rod 54 at the upper part of the fixing disc 58, two positioning plates 55 on opposite sides are connected through a positioning rod 56, a rope passing hole 59 is formed in the connecting block 7, and a sling is passed in the rope passing hole 59. The sliding block 51 can slide in the sliding groove 4, drive the outer connecting disc 52 to move, the U-shaped frame one 53 at the bottom of the connecting disc 52 slides accordingly, the connecting rod 54 slides, the positioning plate 55 sleeved on the connecting rod 54 moves under the driving of the connecting rod 54, and then the positioning rod 56 on the positioning plate 55 plays a role, when the sling is installed, the sliding block 51 is placed outside the sliding groove 4, the connecting rod 54 is driven to move outward, the positioning plate 55 and the positioning rod 6 are away from the rope passing hole 59, the sling is conveniently passed through the rope passing hole 59, after the passing of the sling is completed, under the action of the sling force, the connecting block 7 descends, the connecting rod 54 is driven to move inward, the positioning plate 55 and the positioning rod 6 are close to the rope passing hole 59, the sling is locked and fixed, and the relative sliding of the sling is reduced.

[0029] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any person skilled in the art can modify or change the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A self-locking device for a cable clamp of a bridge main cable, comprising a support seat (1), characterized in that: A vibration damping assembly (2) is provided on the top of the support seat (1), and the vibration damping assembly (2) is fixed by fixing assemblies (3) provided on both sides thereof; a lifting rod (6) is provided in the central cavity at the bottom of the support seat (1) so as to be slidable up and down, and a connecting block (7) is fixed at the bottom of the lifting rod (6); a group of sliding grooves (4) are respectively provided on the left and right sides of the lower part of the support seat (1), and a positioning assembly (5) is slidably connected in each sliding groove (4), and one end of the positioning assembly (5) is hinged to the sliding groove (4), and the other end is hinged to the connecting block (7), so as to realize the up and down movement of the connecting block (7).

2. A cable clamp self-locking device for a bridge main cable according to claim 1, characterized in that: The vibration damping assembly (2) comprises a fixed collar (25) consisting of an upper semicircular arc and a lower semicircular arc, and two pairs of upper fixed blocks (21) and lower fixed blocks (22) arranged on both sides of the fixed collar (25). Arc-shaped vibration damping pads (24) are respectively arranged on the upper and lower inner walls of the fixed collar (25), and each vibration damping pad (24) is fixedly connected to the fixed collar (25) via a plurality of vibration damping springs (23).

3. A cable clamp self-locking device for a bridge main cable according to claim 2, characterized in that: Each set of fixing components (3) comprises an upper supporting shell (31) and a lower supporting shell (32), wherein the upper supporting shell (31) is arranged on the outside of the upper fixing block (21), and the lower supporting shell (32) is arranged on the outside of the lower fixing block (22); the upper supporting shell (31) and the lower supporting shell (32) on the same side are connected via a plurality of connecting columns (34), and the upper supporting shell (31) and the lower supporting shell (32) on the same side are provided with a plurality of notches opposite to each other, and fixing springs (33) are provided in the notches.

4. A cable clamp self-locking device for a bridge main cable according to claim 1, characterized in that: Each positioning assembly (5) includes a connecting rod (54); one end of the connecting rod (54) is hinged to the sliding block (51), the sliding block (51) is clamped in the sliding groove (4), and can move left and right along the sliding groove; the other end is hinged to the side bottom of the connecting block (7) through a fixed plate (58), the fixed plate (58) is fixed on the connecting block (7), and a positioning plate (55) is sleeved on the connecting rod (54) above the fixed plate (58), and the two positioning plates (55) on the opposite sides are connected by a positioning rod (56), and a cable hole (59) is opened on the connecting block (7).

5. A cable clamp self-locking device for a bridge main cable according to claim 4, characterized in that: The upper portion of the connecting rod (54) is connected to the sliding block (51) through the connecting plate (52) and the U-shaped frame (53). One side of the connecting plate (52) is fixedly connected to the side of the sliding block (51). The bottom of the connecting plate (52) is connected to the U-shaped frame (53). The upper portion of the connecting rod (54) is hinged in the notch of the U-shaped frame (53).

6. A cable clamp self-locking device for a bridge main cable according to claim 5, characterized in that: The lower portion of the connecting rod (54) is connected to the connecting block (7) via a fixed plate (58) and a second U-shaped frame (57). One side of the fixed plate (58) is fixedly connected to the side of the connecting block (7). The upper portion of the fixed plate (58) is connected to the second U-shaped frame (57). The lower portion of the connecting rod (54) is hinged in a notch of the second U-shaped frame (57).

7. A cable clamp self-locking device for a bridge main cable according to claim 2, characterized in that: The two upper fixing blocks (21) are arranged on both sides of the upper semicircular arc of the fixing collar (25), and the two lower fixing blocks (22) are arranged on both sides of the lower semicircular arc of the fixing collar (25).

8. A cable clamp self-locking device for a bridge main cable according to claim 3, characterized in that: The connecting column (34) and the fixing spring (33) on the same side are arranged on an axis.

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